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The selection of swine for production typically occurs in a purebred, high health, biosecure nucleus herd. However, this selection and management system limits industry capabilities to genetically select for traits the confer disease resistance and…
Cashmere fiber is a main product of cashmere goats that is produced by secondary hair follicles, and, like wool, the cashmere fiber is composed of hair-keratins and keratin-associated proteins.
Methionine is a limiting amino acid in swine diets, but because of its high requirement by pigs and its low concentration in many feed ingredients, supplementation with synthetic sources of methionine is common in diets fed to pigs.
A paper recently published in the Journal of Animal Science evaluated the behavioral and physiological response in goats during isolation with and without visual contact with their herd- or pen-mates.
Residual feed intake (RFI) is a desired heritable trait in beef cattle. Animals with lower RFI are more feed efficient although epigenetic variations can impact this trait. The environmental circumstances and molecular mechanisms behind how epigenetics…
Finding efficient ways to reduce greenhouse gas emissions while increasing performance is crucial for optimizing the production of feedlot steers. In this recent Journal of Animal Science article, researchers studied how feeding ractopamine hydrochloride…
Visceral organs are essential for life in all animals due to their role in various aspects of digestive physiology, including the digestion of feedstuffs, absorption of nutrients, and metabolism of absorbed and circulating nutrients.
The Department of Health and Human Services announced a policy to enhance transparency at HHS.
The USDA-APHIS re-opened the public comment period for a petition from Zoetis, Inc.
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